Code Editor for app.py

import streamlit as st
import requests
from bs4 import BeautifulSoup

st.title("Web Proxy Viewer")
st.write("Enter a URL to view its contents through a CORS proxy")

url = st.text_input("Enter URL:", "https://example.com")

if st.button("Fetch Content"):
    if url:
        try:
            # NOTE: Using corsproxy.io because we're in a WASM environment. If running locally,
            # you can remove the corsproxy.io prefix. Some websites don't work with the proxy,
            # in those cases try removing the proxy prefix.
            proxied_url = f"https://corsproxy.io/?{url}"
            response = requests.get(proxied_url)
            response.raise_for_status()
            
            # Parse HTML content
            soup = BeautifulSoup(response.text, 'html.parser')
            
            # Display original URL
            st.subheader("Original URL")
            st.write(url)
            
            # Display title if found
            if soup.title:
                st.subheader("Page Title")
                st.write(soup.title.string)
            
            # Display raw content
            st.subheader("Page Content")
            st.code(response.text, language="html")
            
        except Exception as e:
            st.error(f"Error fetching content: {str(e)}")
    else:
        st.warning("Please enter a URL")